Viking 1 Orbiter

NSSDCA ID: 1975-075A

Telecommunications Description

The orbiter could transmit engineering data at 8.33 and 33.33 kilobits per second, and science data at 1, 2, 4, 8, and 16 kbits/sec. There was also a two-way mode used for spacecraft tracking in which an S-band uplink was retransmitted back to the receiving station at an uplink/downlink frequency ratio of 221/240.